SupervisorStrategy caught throwable - logging

logging stacktrace at warning level
patch2: increased timeout for one of the test case as build was failing

Change-Id: Ia09dcfacd90f11ad725c7601e0a71ac3983f0dbf
Signed-off-by: Basheeruddin Ahmed <syedbahm@cisco.com>
Merge "SupervisorStrategy caught throwable - logging"